Young male white-crowned sparrows that were experimentally raised without ever hearing the song of
their species ____.
a. never came close to singing the way wild males do
b. never sang at all
c. sang a poorly developed version of their species' song
d. instinctively performed the song perfectly
e. sang a recognizable version of the song of an ancestral sparrow species
A
You might also like to view...
Answer the question using the accompanying figure. The oceanic zone is represented by letter ____
a. A b. B c. C d. D e. E
Some diseases can cause long-term or permanent damage in the patient termed ________.
A. abscesses B. granulomas C. edema D. sequelae E. swollen lymph nodes
Green-haired schmoos live in dens below ground. Each mating season, they give birth to only one offspring. The offspring spend the next three seasons being carefully cared for by the male schmoos since the females often do not survive after the mating season. These males hunt for prey and deliver it to the den until the single offspring is old enough to venture out and learn to hunt for him- or herself. After three seasons, the offspring can often leave the den and no longer needs parental care. Which type of organism is the schmoo?
a. r-selected b. non-selected c. K-selected d. both r- and K-selected
Aluminum is toxic to many aquatic species
Indicate whether the statement is true or false